扩散退火

为改善MC5冷轧辊辊坯的液析、带状质量，钢锭要进行高温扩散退火。

In order to improve the liquation of MC5 cold roll blank and the strip quality , the high temperature diffusion annealing of the ingot .

无莱氏体高速钢高温扩散退火的研究

Research on high Temperature Diffusion Annealing of Non-Ld high Speed Steel

对两种合金进行扩散退火处理，并对退火处理前后的金相显微组织进行了比较研究：最后对这两种合金进行了X射线衍射实验和吸放氢性能测试实验。

After diffuse annealing , these two alloys'microstructure were analyzed and compared . At last , X-ray diffraction experiment and hydrogen absorption experiment were done .

冷加工性能研究结果表明：对水平连铸坯进行均匀化扩散退火能改变铸坯的枝晶偏析，但对Pb相的分布影响不大，能一定程度地改善铸坯的力学性能，对后续加工有利。

The results of the cold processing and the mechanical performance experiments are as follows : Homogenization annealing can vary the ingot 's crystal segregation except Pb and improve its mechanical performance .

结果表明，经扩散退火处理的ZA-27铸造合金适用于冷挤压成型方法，制件的成品率为100%。

The result of the investigation shows that ZA27 alloy by diffusion annealing is suited for cold extrusion processing method , the proportion of finished product of the element was100 % .

经高温扩散退火处理后，显微硬度均匀性显著提高。

Uniformity of microhardness improved significantly after high temperature diffusion annealing .

AgCuCe/TU1层状复合材料扩散退火工艺研究

The Study on Diffusion Annealing Process of AgCuCe / TU1 Laminated Composites

扩散退火后，界面结合紧密，无明显缝隙。

After diffusion annealing , the interface combined closely , no significant gap .

扩散退火对铸造空冷贝氏体钢组织与性能的影响

Influence of Diffusion Annealing on Structure and Property of Air Cooled Cast Bainite Steel

随覆层材料体积比的增加、扩散退火温度的升高及扩散退火时间的延长而升高。

Conductivity was increased with the increase of volume ratio , annealing temperature and annealing time .

通过对渗硅制备Fe-6.5wt%Si薄板的要求分析，确定了扩散退火渗硅条件；

The conditions of the annealing diffusion and siliconizing were given by preparation ofFe-6.5wt % Si sheet .

分析了表面处理方法、冷变形、扩散退火温度和时间等工艺因素对界面结合强度的影响；

The influences of process parameters include surface preparation method , cold deformation , diffusion temperature and time .

发现长时间扩散退火可显著提高粉末锻件的冲击韧性。

It is found that shock toughness of powder forging part can be increased obviously by diffusion annealing for long time .

采用高温扩散退火及随后的热处理可改善或消除贝壳状断口，并可提高机械性能。

It 's improve or eliminate conchoidal and raise mechanica behavior fracture , if introduce high temperture diffuse annealing and heat treatment .

另外，本文也研究了滚焊复合工艺制备的Au/Ag/Cu三层复合材料经扩散退火后的界面显微组织及界面成分分布。

Moreover , the microstructure and solute distribution in the interfacial regions of the roll welding laminated Au / Ag / Cu alloy composite materials have also been studied in this thesis .

提高源极电压和电流，增加单位时间内沉积到工件表面的金属原子数，或渗后进行高温扩散退火，都可以减轻和消除贫化。

Mitigation or elimination of the depletion could be achieved by raising voltage and current of source plate , increasing metal atoms deposited on workpiece in unit time and carrying out high temperature diffusion after the plasma alloying .

本文在分析热浸镀铝镀层组成及结构的基础上，研究了工艺参数对镀层结构影响，以及扩散退火对镀层组织及耐蚀性和抗高温氧化性能的影响。

The effect of processing parameters on microstructure , composition , high temperature anti-oxidation and corrosion resistance before and after diffusion annealing was studied . The influence of RE on microstructure and properties of hot-dipped aluminum coating was investigated , as well .

通过不同的压下率和不同的扩散退火温度试验，利用金相显微镜，力学实验机、扫描电镜等仪器，研究在室温条件下铝-铜轧制复合工艺，探讨界面结合机理。

The technology of rolling compound of Al-Cu under room temperature is investigated and the bonding mechanism is discussed by experiments for different the rate of deformation and the temperature of thermal treatment with the help of the optical microscope , mechanical equipment , scanning electron microscope .

经采用金属型挂砂，用电加热装置延长冒口凝固时间，铸件进行扩散、退火细化晶粒等措施。

We adopt suspended sand with metal mold and electronic heated apparatus to delay the solidification time of riser , meanwhile the casting is treated from aspects of expansion , annealing and refining grains .

结果表明：纳米氧化铝的热扩散率随退火温度的升高而减小。

The results show that the thermal diffusivity decrease with annealing temperature elevating .

Cu的扩散深度呈现随退火温度的升高迅速增加的趋势。

We can conclude that the diffuse depth will be increased greatly with annealing temperature .

本文给出了离子注入片和热扩散片的激光退火，激光诱导扩散和用激光照射制造肖脱基势垒二极管的实验结果。

The paper presents the experimantal results of laser annealing of ion-implanted silicon and diffusive wafer , laser-induced diffusion and Schottky barrier diodes manufactured by laser irradiation .

在退火温度为1150℃时，退火时间在12&20s之间，注入层损伤几乎完全恢复，在此退火期间增强扩散系数比前述退火过程中的低。

Almost a " complete " annealing of displacement damage is obtained and the diffusion coefficient is less than that in above-mentioned conditions when the implanted samples are annealed at 1150 ℃ in the time ranging from 12 to 20s .